CN208704475U - A kind of flue gas for coking industry wet desulphurization takes off white system - Google Patents
A kind of flue gas for coking industry wet desulphurization takes off white system Download PDFInfo
- Publication number
- CN208704475U CN208704475U CN201821348015.7U CN201821348015U CN208704475U CN 208704475 U CN208704475 U CN 208704475U CN 201821348015 U CN201821348015 U CN 201821348015U CN 208704475 U CN208704475 U CN 208704475U
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- Prior art keywords
- flue
- white
- heat exchanger
- flue gas
- takes
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000003546 flue gas Substances 0.000 title claims abstract description 70
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 238000004939 coking Methods 0.000 title claims abstract description 15
- 239000000779 smoke Substances 0.000 claims abstract description 38
- 239000002918 waste heat Substances 0.000 claims abstract description 29
- 230000005494 condensation Effects 0.000 claims abstract description 24
- 238000009833 condensation Methods 0.000 claims abstract description 24
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 22
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 abstract description 15
- 206010022000 influenza Diseases 0.000 abstract description 4
- 238000006477 desulfuration reaction Methods 0.000 description 13
- 230000023556 desulfurization Effects 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 229920006395 saturated elastomer Polymers 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 239000000571 coke Substances 0.000 description 4
- 238000007791 dehumidification Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Chimneys And Flues (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a kind of flue gases for coking industry wet desulphurization to take off white system, including waste heat boiler, take off white heat exchanger, air-introduced machine, desulfurizing tower and condensation demister, the front end of this system is arranged in waste heat boiler, the outlet end of waste heat boiler, which is connected with, takes off white heat exchanger, taking off white heat exchanger is double-layer structure, and it takes off and is opened up on white heat exchanger there are two smoke inlet and two outlet flues, respectively smoke inlet one, outlet flue one, smoke inlet two and outlet flue two, wherein smoke inlet one is connected to waste heat boiler by former flue, outlet flue one is connected with air-introduced machine by former flue, design is scientific and reasonable for the utility model, using efficient, it can be by the flue-gas temperature being discharged from chimney at 10 DEG C of environment temperature, white cigarette is substantially eliminated in the atmospheric environment of relative humidity 60%, solve asking for the de- rear white plume of current coking industry wet process Topic, improves standard limit of smog release, protects environment.
Description
Technical field
The utility model belongs to the smoke gas treatment technical field after coking industry wet desulphurization, and in particular to one kind is for coke
The flue gas for changing industry wet desulphurization takes off white system.
Background technique
China's atmosphere pollution in recent years is increasingly severe, seriously produces haze phenomenon, for people's life and society
Environment National Environmental Protection Agency is also increasingly stringenter the emission request of every profession and trade flue gas.Wherein the smoke gas treatment of coking industry is ring
The emphasis of guarantor, desulfurization are to improve the common method of flue gas qualified discharge.
There are many sulfur methods for administering flue gas: dry method, semidry method, wet process.And wet desulphurization is the most common improvement side
Method, but when flue gas desulfurization uses wet desulphurization, for desulfurization exit gas temperature about at 50 DEG C or so, flue gas at this time is usually to locate
In saturated humidity state, water of the saturated humidity flue gas after chimney discharge by the lower atmosphere quick refrigeration of temperature, in flue gas
Steam is condensed into liquid, light transmittance decline, to macroscopic white plume phenomenon occur；White plume is gone back in summer
It is good, if discharging in an atmosphere in winter, it is not easy to disperse due to affected by environment, shrouding formation smog in the sky keeps air saturating
The decline of light rate seriously affects people's life and social safety.
Summary of the invention
The utility model in order to solve the above-mentioned technical problem, provide a kind of flue gas for coking industry wet desulphurization take off it is white
System, design is scientific and reasonable for this system, using efficient, be able to solve current coking industry wet process it is de- after white plume the problem of,
Standard limit of smog release is improved, environment is protected.
The technical scheme adopted by the utility model is a kind of flue gas for coking industry wet desulphurization takes off white system,
It including waste heat boiler, takes off white heat exchanger, air-introduced machine, desulfurizing tower and condenses demister, this system is arranged in most in waste heat boiler
Front end, the outlet end of waste heat boiler, which is connected with, takes off white heat exchanger, and taking off white heat exchanger is double-layer structure, and takes off and open up on white heat exchanger
There are two smoke inlet and two outlet flues, respectively smoke inlet one, outlet flue one, smoke inlet two and outlet flue two, wherein into cigarette
Mouth one is connected to waste heat boiler by former flue, and outlet flue one is connected with air-introduced machine by former flue, and the outlet air end of air-introduced machine is logical
It crosses former flue to be connected with the bending tubes end of desulfurizing tower, the smoke end at the top of desulfurizing tower is connected with condensation demister by net flue, cold
Solidifying demister takes off the smoke inlet two of white heat exchanger by the connection of net flue, and the outlet flue two for taking off white heat exchanger is connected to by net flue
Chimney.
Described further includes that waste heat boiler is arranged in and takes off the deduster between white heat exchanger, and deduster is connected with former flue
It is logical.
Described to take off white heat exchanger for tubular type smoke re-heater, similar to tubular air preheater, former flue gas walks tube side, wet cigarette
It makes shell side leave with rage, using the wet flue gas after the heat desulfurization of former flue gas, while also having achieved the purpose that former flue gas cool-down.
The condensation demister is air-cooled demister, and there are several small blowers, the Cryogenic air introduced by small blower in inside
To reduce the wet flue gas temperature after desulfurization；Net smoke temperature is down to 45 DEG C or so after being exchanged heat by the device.After reducing desulfurizing tower
It is saturated wet flue gas temperature, flue gas saturation degree can be reduced, regardless of water, being saturated the reduction of wet flue gas moisture content can be effectively reduced condensation
The white cigarette amount of smoke stack emission；Water vapor condensation during flue gas condensing can take away part PM2.5 fine particle, can reduce chimney
Dust emission has certain emission reduction effect；The water of condensation accesses pond, supplements process water for desulfurizing tower.
When work, first high temperature coke oven flue gas introducing waste heat boiler is tentatively cooled down (300 DEG C or less), then from waste heat boiler
Flue gas out after dedusting enter takes off white heat exchanger, by take off after flue-gas temperature is down to 100 DEG C or so again by white heat exchanger by
Flue gas after cooling is sent into desulfurizing tower and carries out desulfurization process by air-introduced machine；Wet flue gas after desulfurization comes out at the top of desulfurizing tower to be entered
Condensation demister carries out condensation cool-down dehumidification, sloughs a part of water mist, reduces wet flue gas saturation point；It again will be after condensation demisting
(45 DEG C or so) introducings of wet flue gas take off white heat exchanger, and wet flue gas is heated using the preheating of former flue gas to 85 DEG C or more (heatings 40
DEG C or so), most it is discharged afterwards through chimney.
The front end of this system is arranged in the waste heat boiler；The purpose being arranged in this way is: can be by high temperature coke oven flue gas
It introduces in waste heat boiler and carries out cooling processing, high-temperature flue gas is avoided to generate damage to follow-up equipment.
The outlet end of the waste heat boiler, which is connected with, takes off white heat exchanger, and taking off white heat exchanger is double-layer structure, and takes off white heat exchange
It is opened up on device there are two smoke inlet and two outlet flues, respectively smoke inlet one, outlet flue one, smoke inlet two and outlet flue two,
Wherein smoke inlet one is connected to waste heat boiler by former flue, and the purpose being arranged in this way is: utilizing smoke inlet one and outlet flue one
Former flue gas is subjected to cooling processing, is cooled to 100 DEG C or so, the flue gas derived from the outlet flue one enters desulfurizing tower and carries out desulfurization place
Reason；Flue gas after desulfurization process from smoke inlet two into white heat exchanger is taken off, is being former in order to utilize after condensation demister
Flue gas heats neat stress, so that the flue-gas temperature into chimney reaches 85 DEG C or more, improves flue gas and takes off white effect
Fruit.
Smoke end at the top of the desulfurizing tower is connected with condensation demister by net flue；The purpose being arranged in this way is: energy
It is enough that condensation cool-down dehumidification processing is carried out to the flue gas come out from desulfurizing tower, the part water mist in flue gas is sloughed, wet flue gas is reduced
Saturation point.
The utility model has the following beneficial effects: design is scientific and reasonable, using efficient for the utility model, can will be arranged from chimney
Flue-gas temperature out substantially eliminates white cigarette in 10 DEG C of environment temperature, the atmospheric environment of relative humidity 60%, solves current coking row
After industry wet process is de- the problem of white plume, standard limit of smog release is improved, environment is protected.
Detailed description of the invention
Fig. 1 is the attachment structure schematic diagram of the utility model.
Marked in the figure: 1, waste heat boiler；2, deduster；3, white heat exchanger is taken off；4, air-introduced machine；5, desulfurizing tower；6, condensation removes
Day with fog；7, net flue；8, chimney；9, smoke inlet one；10, outlet flue one；11, smoke inlet two；12, outlet flue two；13, former cigarette
Road.
Specific embodiment
Specific embodiment of the present utility model is described in further detail below in conjunction with attached drawing.
As shown, a kind of flue gas for coking industry wet desulphurization takes off white system, including waste heat boiler 1, Tuo Baihuan
The front end of this system, waste heat boiler 1 is arranged in hot device 3, air-introduced machine 4, desulfurizing tower 5 and condensation demister 6, waste heat boiler 1
Outlet end be connected with and take off white heat exchanger 3, taking off white heat exchanger 3 is double-layer structure, and takes off and open up that there are two into cigarette on white heat exchanger 3
Mouthful and two outlet flues, respectively smoke inlet 1, outlet flue 1, smoke inlet 2 11 and outlet flue 2 12, wherein smoke inlet one
9, which pass through former flue 13 with waste heat boiler 1, is connected to, and outlet flue 1 passes through former flue 13 and is connected with air-introduced machine 4, and air-introduced machine 4 goes out
Wind end passes through former flue 13 and is connected with the bending tubes end of desulfurizing tower 5, and the smoke end at 5 top of desulfurizing tower is connected with cold by net flue 7
Solidifying demister 6, condensation demister 6 are taken off the smoke inlet 2 11 of white heat exchanger 3 by the connection of net flue 7, take off the smoke of white heat exchanger 3
Mouth 2 12 is connected to chimney 8 by net flue 7.
Described further includes that waste heat boiler 1 is arranged in and takes off the deduster 2 between white heat exchanger 3, deduster 2 and former flue 13
It is connected, to be dusted processing to the flue gas derived from the waste heat boiler 1, reduces the impurity content in flue gas.
Described to take off white heat exchanger 3 for tubular type smoke re-heater, similar to tubular air preheater, former flue gas walks tube side, wet
Flue gas walks shell side, using the wet flue gas after the heat desulfurization of former flue gas, while also having achieved the purpose that former flue gas cool-down.
The condensation demister 6 is air-cooled demister, and there are several small blowers, the Cryogenic air introduced by small blower in inside
To reduce the wet flue gas temperature after desulfurization；Net smoke temperature is down to 45 DEG C or so after being exchanged heat by the device.After reducing desulfurizing tower 5
It is saturated wet flue gas temperature, flue gas saturation degree can be reduced, regardless of water, being saturated the reduction of wet flue gas moisture content can be effectively reduced condensation
The white cigarette amount that chimney 8 discharges；Water vapor condensation during flue gas condensing can take away part PM2.5 fine particle, can reduce cigarette
8 dust emission of chimney has certain emission reduction effect；The water of condensation accesses pond, supplements process water for desulfurizing tower 5.
When work, high temperature coke oven flue gas is first introduced into the tentatively cooling (300 DEG C or less) of waste heat boiler 1, then from waste heat pot
The flue gas that furnace 1 comes out enters after dedusting takes off white heat exchanger 3, and flue-gas temperature is down to 100 DEG C or so again by taking off white heat exchanger 3
The flue gas after cooling is sent into desulfurizing tower 5 by air-introduced machine 4 afterwards and carries out desulfurization process；Wet flue gas after desulfurization is at the top of desulfurizing tower 5
Condensation cool-down dehumidification is carried out into condensation demister 6 out, sloughs a part of water mist, reduces wet flue gas saturation point；It again will be cold
(45 DEG C or so) of wet flue gas introducings after solidifying demisting take off white heat exchanger 3, and wet flue gas is heated using the preheating of former flue gas to 85 DEG C
(40 DEG C or so of heating) above, is most discharged through chimney 8 afterwards.
Claims (4)
1. a kind of flue gas for coking industry wet desulphurization takes off white system, it is characterised in that: including waste heat boiler, take off white heat exchange
The front end of this system, the outlet end of waste heat boiler is arranged in device, air-introduced machine, desulfurizing tower and condensation demister, waste heat boiler
It is connected with and takes off white heat exchanger, taking off white heat exchanger is double-layer structure, and takes off and open up that there are two smoke inlet and two to go out on white heat exchanger
Mouth, respectively smoke inlet one, outlet flue one, smoke inlet two and outlet flue two, wherein smoke inlet one and waste heat boiler pass through original
Flue connection, outlet flue one pass through former flue and are connected with air-introduced machine, the outlet air end of air-introduced machine by original flue and desulfurizing tower into
Cigarette end is connected, and the smoke end at the top of desulfurizing tower is connected with condensation demister by net flue, and condensation demister is connected by net flue
The smoke inlet two for taking off white heat exchanger is connect, the outlet flue two for taking off white heat exchanger is connected to chimney by net flue.
2. a kind of flue gas for coking industry wet desulphurization according to claim 1 takes off white system, it is characterised in that: also
Including waste heat boiler is arranged in and takes off the deduster between white heat exchanger, deduster is connected with former flue.
3. a kind of flue gas for coking industry wet desulphurization according to claim 1 takes off white system, it is characterised in that: de-
White heat exchanger is tubular type smoke re-heater.
4. a kind of flue gas for coking industry wet desulphurization according to claim 1 takes off white system, it is characterised in that: cold
Solidifying demister is air-cooled demister, and there are several small blowers in inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821348015.7U CN208704475U (en) | 2018-08-21 | 2018-08-21 | A kind of flue gas for coking industry wet desulphurization takes off white system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821348015.7U CN208704475U (en) | 2018-08-21 | 2018-08-21 | A kind of flue gas for coking industry wet desulphurization takes off white system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208704475U true CN208704475U (en) | 2019-04-05 |
Family
ID=65942932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821348015.7U Expired - Fee Related CN208704475U (en) | 2018-08-21 | 2018-08-21 | A kind of flue gas for coking industry wet desulphurization takes off white system |
Country Status (1)
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| CN (1) | CN208704475U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110201536A (en) * | 2019-06-25 | 2019-09-06 | 河南科智宏环保科技有限公司 | A kind of kiln gas denitration sulfur-fixing dust takes off white purification device and method |
| CN110241284A (en) * | 2019-07-24 | 2019-09-17 | 马鞍山钢铁股份有限公司 | A kind of flue gas particles of steelmaking converter purification system and purification method again |
| CN110833755A (en) * | 2019-11-29 | 2020-02-25 | 南京金瀚环保科技有限公司 | System and method for removing white and nitrate after sintering flue gas wet desulphurization |
| CN113019056A (en) * | 2021-03-04 | 2021-06-25 | 北京科技大学 | Rotary wheel type smoke whitening device and process |
| CN115445403A (en) * | 2022-09-19 | 2022-12-09 | 光大环境科技（中国）有限公司 | Photovoltaic coupling flue gas whitening system and process |
-
2018
- 2018-08-21 CN CN201821348015.7U patent/CN208704475U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110201536A (en) * | 2019-06-25 | 2019-09-06 | 河南科智宏环保科技有限公司 | A kind of kiln gas denitration sulfur-fixing dust takes off white purification device and method |
| CN110241284A (en) * | 2019-07-24 | 2019-09-17 | 马鞍山钢铁股份有限公司 | A kind of flue gas particles of steelmaking converter purification system and purification method again |
| CN110833755A (en) * | 2019-11-29 | 2020-02-25 | 南京金瀚环保科技有限公司 | System and method for removing white and nitrate after sintering flue gas wet desulphurization |
| CN113019056A (en) * | 2021-03-04 | 2021-06-25 | 北京科技大学 | Rotary wheel type smoke whitening device and process |
| CN113019056B (en) * | 2021-03-04 | 2022-03-04 | 北京科技大学 | Rotary wheel type smoke whitening device and process |
| CN115445403A (en) * | 2022-09-19 | 2022-12-09 | 光大环境科技（中国）有限公司 | Photovoltaic coupling flue gas whitening system and process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190405 |